What Causes the Loss of "Computational Power" and the Appearance

question 83

Multiple Choice

What causes the loss of "computational power" and the appearance of symptoms of old age to occur?

• A) It is age related - beginning when an individual is approximately 60 years old.
• B) When unused or redundant neural pathways are pruned
• C) Significant loss of dendritic interconnectivity
• D) When neuron loss reaches the peak of 25,000 eliminated neurons daily

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Definitions:

Nociceptors

Specialized sensory receptors that detect signals from damaged tissue and transmit information about pain to the nervous system.

Pain-Triggering Signals

Neurological transmissions that inform the brain of potential harm, leading to the experience of pain.

Gate-Control Theory

A theory proposing that the spinal cord contains a neurological "gate" that blocks or allows pain signals to proceed to the brain.

Spinal Cord Nerve Fibers

Bundles of axons within the spinal cord that transmit signals to and from the brain.